package com.cx.util;

/**
 * @author: Zhou wei
 * @create: 2020/6/12 21:13
 */
public class RandomSix {

    public static String randomSix(){
        String str = "";
        for (int i = 0; i < 6; i++) {
            str = str + (int)(Math.random()*9);
        }
        return str;
    }

}
